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3D morphology characterization of graphite and its effect on the thermal conductivity of vermicular graphite iron
Ma, Zhijun1; Yang, Zhong1; Guo, Yongchun1; Tao, Dong1; Li, Jianping1; Wang, Shaogang2
Corresponding AuthorMa, Zhijun(9216053@qq.com)
2019-07-01
Source PublicationINTERNATIONAL JOURNAL OF MATERIALS RESEARCH
ISSN1862-5282
Volume110Issue:7Pages:591-599
AbstractIt is important to establish the quantitative effect of graphite's 3D morphology on the thermal conductivity of vermicular graphite iron. In the present study, X-ray tomography is utilized to investigate the 3D morphology of graphite in vermicular graphite iron with different vermicularity. A 3D finite element model was built on the basis of graphite's 3D morphology and the equivalent thermal conductivity of vermicular graphite iron can be calculated. The results show that the volume of graphite clusters in vermicular graphite iron is distributed according to y = a (1 - e(-bx))(c) exponential function. The higher the vermicularity, the more obvious the polarization of graphite volume. Compared with vermicularity, 3D connectivity of graphite is a more appropriate characteristic parameter to investigate the thermal conductivity of vermicular graphite iron from the 3D morphology point of view.
KeywordVermicular graphite iron Thermal conductivity 3D connectivity X-ray tomography
Funding OrganizationKey Research Program of Shaanxi Provincial Department of Technology and Science ; Serving Local Special Project of Shaanxi Provincial Department ; Key Research and Development Plan of Shanxi Province Industrial Project
DOI10.3139/146.111780
Indexed BySCI
Language英语
Funding ProjectKey Research Program of Shaanxi Provincial Department of Technology and Science[2018ZDXM-GY-137] ; Serving Local Special Project of Shaanxi Provincial Department[18JC013] ; Key Research and Development Plan of Shanxi Province Industrial Project[2018GY-111]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000475500300001
PublisherCARL HANSER VERLAG
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/134475
Collection中国科学院金属研究所
Corresponding AuthorMa, Zhijun
Affiliation1.Xian Technol Univ, Sch Mat & Chem Engn, Xuefu Middle Rd, Xian 710021, Shaanxi, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Ma, Zhijun,Yang, Zhong,Guo, Yongchun,et al. 3D morphology characterization of graphite and its effect on the thermal conductivity of vermicular graphite iron[J]. INTERNATIONAL JOURNAL OF MATERIALS RESEARCH,2019,110(7):591-599.
APA Ma, Zhijun,Yang, Zhong,Guo, Yongchun,Tao, Dong,Li, Jianping,&Wang, Shaogang.(2019).3D morphology characterization of graphite and its effect on the thermal conductivity of vermicular graphite iron.INTERNATIONAL JOURNAL OF MATERIALS RESEARCH,110(7),591-599.
MLA Ma, Zhijun,et al."3D morphology characterization of graphite and its effect on the thermal conductivity of vermicular graphite iron".INTERNATIONAL JOURNAL OF MATERIALS RESEARCH 110.7(2019):591-599.
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